blow-off pipe

常见例句

The lower blow-off pipe sucks away the sewage attached to the surface of the filter screen;
下排污管吸走滤网面上附着的污物；
ip.com
The internal structure of the utility model applies the principle of the suction effect to make the foul gas discharged from the outlet of the blow-off port through the main pipe.
其内部结构运用空吸作用的原理，使污气从排污口出口经主管由支管排出。
ip.com
The straight blow-off pipe has less blow-off resistance, the flushing area of the swirl nozzles and the fan nozzles is large, the water pressure is high, and the water consumption is less.
直管排污管的排污阻力小，旋流喷嘴、扇形喷嘴的冲洗面积大、水压高、用水量小。
ip.com